{"product_id":"ge-l90-g00-hch-f8f-h6p-l6l-w7r-line-protection-system","title":"GE L90-G00-HCH-F8F-H6P-L6L-W7R Line Protection System","description":"\u003cp\u003eThe \u003cstrong\u003eGE L90-G00-HCH-F8F-H6P-L6L-W7R\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eL90\u003c\/strong\u003e Line Current Differential Relay, operates as a dedicated hardware component for high-speed transmission line protection and fault isolation within substation automation networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eL90\u003c\/strong\u003e: Base model designation for advanced phase-segregated line current differential protection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-G00\u003c\/strong\u003e: Standard hardware base platform variant with universal power supply input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-HCH-F8F-H6P-L6L-W7R\u003c\/strong\u003e: Specific modular communication, I\/O card population, and protocol configuration options designated for fiber-optic interface and GOOSE messaging support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eL90-G00-HCH-F8F-H6P-L6L-W7R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 7.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack mount chassis (3U height)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax 55 VA (AC) \/ 45 W (DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 V \/ 220 V \/ 240 V AC\/DC universal range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual fiber-optic Ethernet and serial interface slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlush panel or 19-inch rack mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eNetwork Communication and Firmware Management\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity\u003c\/strong\u003e: Executes high-speed deterministic internal data transfers across internal processing layers to minimize protection trip execution latency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/strong\u003e: Supports deterministic substation communication protocols including IEC 61850 GOOSE messaging for peer-to-peer tripping schemes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling\u003c\/strong\u003e: Accommodates modular plug-in cards for discrete input\/output expansion, allowing flexible adaptation to complex substation bay configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility\u003c\/strong\u003e: Permits secure firmware image updates via front-panel USB or rear Ethernet ports without requiring physical hardware replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can communication modules be replaced while the relay is energized in the panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, hot-swapping of communication or power modules is restricted to de-energized states to prevent internal bus corruption and protect solid-state components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum allowable continuous thermal rating for the current transformer inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The analog input channels support a continuous thermal rating of 3 times rated current, with a 1-second thermal rating of 100 times rated current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the relay maintain time synchronization across remote substation terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Time synchronization is maintained via IRIG-B input or IEEE 1588 Precision Time Protocol over the Ethernet communication interface to ensure accurate fault data timestamping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the relay chassis earth terminal is connected directly to the substation ground mesh using a low-impedance copper braid.\u003c\/li\u003e\n\u003cli\u003eVerify that control power supply voltage levels match the configured input range before energizing the rear terminal block.\u003c\/li\u003e\n\u003cli\u003eShield all incoming current and voltage transformer leads, terminating the shield drains exclusively at the panel ground bus.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation spacing above and below the 3U enclosure to allow heat dissipation during continuous operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":45284534550643,"sku":"L90-G00-HCH-F8F-H6P-L6L-W7R","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-05_17-47-34_0c7a9251-04bf-4969-b9e9-cd77fb3b73f5.png?v=1785139101","url":"https:\/\/www.dcssupplier.com\/ar\/products\/ge-l90-g00-hch-f8f-h6p-l6l-w7r-line-protection-system","provider":"DcsSupplier Limited","version":"1.0","type":"link"}